Header Block
Header blocks are designed in an L-shape to accommodate a lintel that will span several block and carry load over an opening. They can be used for other purposes
Header blocks can be solid or hollow. Notch is at the midpoint of the block's depth and width.
Actual dimensions (height and width) are minus 3/8ā³ less to allow for mortar.
How much block do you need? Try our Block Calculator
Dimensions are 8" x 8" x 16" (in.) (DWH)
Proudly made in the USA in Bladensburg, MD and Millsboro, DE. Material certifications.
Header blocks can be solid or hollow. Notch is at the midpoint of the block's depth and width.
Actual dimensions (height and width) are minus 3/8ā³ less to allow for mortar.
How much block do you need? Try our Block Calculator
Dimensions are 8" x 8" x 16" (in.) (DWH)
Proudly made in the USA in Bladensburg, MD and Millsboro, DE. Material certifications.









